[Pharo-dev] RES: Anoying bug fond in Artefact running in Windows 10

casimiro.barreto at gmail.com casimiro.barreto at gmail.com
Fri Oct 20 11:02:15 EDT 2017

But it seems that the problem is either with OSWindows or OSProcess (I guess Artefact uses OSProcess) because the windows side of things just is not aware that task is complete and it must finish things, close streams, etc… Because you see… in the Pharo side I even closed the file descriptor (explicitly).


Best regards,




De: Pharo-dev [mailto:pharo-dev-bounces at lists.pharo.org] Em nome de olivier auverlot
Enviada em: sexta-feira, 20 de outubro de 2017 03:40
Para: Pharo Development List <pharo-dev at lists.pharo.org>
Assunto: Re: [Pharo-dev] Anoying bug fond in Artefact running in Windows 10


Hi Casimiro,


Which version of Pharo do you use ? 6.1 ?


Olivier :)


2017-10-19 18:27 GMT+02:00 <casimiro.barreto at gmail.com <mailto:casimiro.barreto at gmail.com> >:

When you insert a jpeg from a file, for some reason the file descriptor (stream) is kept open (at least in the Windows end of things). Then, if a second page is to be generated, the following error is shown:

'MessageNotUnderstood: receiver of "reset" is nil


Sample code:

        aPage := PDFPage new.

        imageStream := FileStream fileNamed: 'lsi-tec.jpg'.

                        ((PDFJpegElement fromStream: imageStream)
                                from: 15 mm @ 20 mm;
                                dimension: 40 mm @ 40 mm).
        imageStream close.

Generated report is in annex

The only way to recover is to close pharo, start it again. Then the file descriptor (stream) is released and it is possible to go on.

Has anyone faced this problem?
How to solve it?

Best regards,

Casimiro Barreto


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